CN108278748B - Moisture-proof control method for air conditioner electric control board and air conditioner - Google Patents
Moisture-proof control method for air conditioner electric control board and air conditioner Download PDFInfo
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- CN108278748B CN108278748B CN201711440834.4A CN201711440834A CN108278748B CN 108278748 B CN108278748 B CN 108278748B CN 201711440834 A CN201711440834 A CN 201711440834A CN 108278748 B CN108278748 B CN 108278748B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
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Abstract
The invention relates to a moisture-proof control method of an air conditioner electric control board, which comprises the following steps: s1, detecting the temperature Tliq of the liquid pipe, the temperature Tfin of the electric control board and the temperature Tao of the external environment in real time when the air conditioner is in heating operation; s2, acquiring the real-time temperature Tcw inside the current electric control box; obtaining the dew point temperature Tdp inside the current electric control box; s3, comparing the difference between the real-time temperature Tcw and the dew point temperature Tdp with a preset first reference temperature T1 and a preset second reference temperature T2; and S4, adjusting the opening degree of the indoor electronic expansion valve of the indoor air conditioner and the opening degree of the outdoor electronic expansion valve of the outdoor air conditioner according to the comparison result. The invention also relates to an air conditioner, which adopts the moisture-proof control method of the air conditioner electric control board. The invention has the advantages that: the conditions of condensation, water condensation and the like in the electric control box and on the electric control plate can be effectively avoided, so that the electric control plate can be effectively prevented from being corroded by damp.
Description
Technical Field
The invention relates to an air conditioner, in particular to a moisture-proof control method of an air conditioner electric control board and the air conditioner.
Background
At present, a variable frequency air conditioner, especially an electric control board of a multi-split air conditioner, generally radiates heat through a refrigerant pipe, that is, an electric control box provided with the electric control board is tightly attached to the refrigerant pipe (liquid pipe) between an indoor heat exchanger and an outdoor heat exchanger, so that a low-temperature refrigerant in the refrigerant pipe can cool the electric control board in a heat transfer mode. Above-mentioned structure can realize the effective cooling to automatically controlled board, but also brought dampproofing problem: under the heating mode, when the temperature of the refrigerant in the refrigerant pipe is too low, condensation and water condensation are easily generated in the electric control box and on the electric control board, so that the electric control board is easily affected with damp corrosion, and the short circuit of the electric control board can be seriously caused.
Disclosure of Invention
The invention aims to solve one technical problem of providing a moisture-proof control method for an air conditioner electric control board, which can effectively avoid the conditions of condensation, water condensation and the like in an electric control box and on an electric control board, thereby effectively avoiding the electric control board from being corroded by moisture.
In order to solve the technical problems, the technical scheme of the invention is as follows: the moisture-proof control method of the air conditioner electric control board is provided, wherein the method comprises the following steps:
s1, detecting the liquid pipe temperature Tliq of the air conditioner, the electric control board temperature Tfin of the air conditioner and the external environment temperature Tao of the outdoor unit of the air conditioner in real time when the air conditioner is in heating operation;
s2, acquiring the real-time temperature Tcw inside the current electric control box through the liquid tube temperature Tliq and the electric control plate temperature Tfin;
obtaining the dew point temperature Tdp inside the current electric control box through the external environment temperature Tao;
s3, comparing the difference between the real-time temperature Tcw and the dew point temperature Tdp with a preset first reference temperature T1 and a preset second reference temperature T2;
and S4, adjusting the opening degree of the indoor electronic expansion valve of the indoor air conditioner and the opening degree of the outdoor electronic expansion valve of the outdoor air conditioner according to the comparison result.
The invention relates to a moisture-proof control method of an air conditioner electric control board, wherein the internal temperature Tcw is obtained by the following calculation formula:
Tcw’＝(Tliq’+Tfin’+A)/B；
wherein, Tcw ' is the numerical value that real-time temperature Tcw corresponds, Tliq ' is the numerical value that liquid pipe temperature Tliq corresponds, Tfin ' is the numerical value that automatically controlled board temperature Tfin corresponds, and A and B are certain numerical value respectively, and A and B all assign according to the characteristic of generating heat of automatically controlled box material thermal resistance, automatically controlled board.
The invention relates to a moisture-proof control method of an air conditioner electric control board, wherein,
the value range of A is 1-1.4, and the value range of B is 1.8-2.
The invention relates to a moisture-proof control method of an air conditioner electric control board, wherein the dew point temperature Tdp is obtained by the following calculation formula:
Tdp’＝(4105*Tao’+237.7*(237.7+Tao’)lnC)/(4105+(237.7+Tao’)lnC)
wherein Tdp 'is a value corresponding to the dew point temperature, Tao' is a value corresponding to the external environment temperature Tao, and C is a certain value.
The invention relates to a moisture-proof control method of an air conditioner electric control board, wherein,
the value range of C is 0.995-1.
The moisture-proof control method for the air conditioner electric control board, provided by the invention, comprises the following steps of adjusting the opening degree of an indoor electronic expansion valve of an indoor unit of the air conditioner and the opening degree of an outdoor electronic expansion valve of an outdoor unit of the air conditioner according to a comparison result in the step S4:
in the continuous time T1, if the comparison result always meets the condition that T1 < Tcw-Tdp is not more than T2, controlling the indoor electronic expansion valve of the indoor air-conditioning unit to increase the opening degree of K1, controlling the outdoor electronic expansion valve of the outdoor air-conditioning unit to decrease the opening degree of K2, and then recovering the normal control of the indoor electronic expansion valve of the indoor air-conditioning unit and the outdoor electronic expansion valve of the outdoor air-conditioning unit by the air conditioner;
in the continuous time T2, when the comparison result meets the condition that T1 is more than Tcw-Tdp and is less than or equal to T2 within the continuous time T1, controlling the indoor electronic expansion valve of the indoor air-conditioning unit to increase the opening of K1, controlling the outdoor electronic expansion valve of the outdoor air-conditioning unit to decrease the opening of K2, and then increasing the minimum opening of the indoor electronic expansion valve of the indoor air-conditioning unit to increase the opening of K3 after the air-conditioner recovers the normal control over the indoor electronic expansion valve of the indoor air-conditioning unit and the outdoor electronic expansion valve of the outdoor air-conditioning unit;
wherein, K1, K2 and K3 are respectively a certain numerical value.
The invention relates to a moisture-proof control method of an air conditioner electric control board, wherein,
k1 has a value range of 100-250; k2 has a value range of 10-25; k3 has a value range of 50-150.
The invention relates to a moisture-proof control method of an air conditioner electric control board, wherein,
the value range of t1 is 3-10 minutes, and the value range of t2 is 1-2.5 hours.
The moisture-proof control method for the air conditioner electric control board according to the present invention, wherein the step S4 of adjusting the opening degree of the indoor electronic expansion valve of the air conditioner indoor unit and the opening degree of the outdoor electronic expansion valve of the air conditioner outdoor unit according to the comparison result further comprises:
when the comparison result meets the condition that the Tcw-Tdp is less than or equal to T1, the air conditioner warns the user that the temperature of the electric control board is too low, and then the air conditioner is stopped and restarted.
The invention relates to a moisture-proof control method of an air conditioner electric control board, wherein,
the value range of T1 is-3-0 ℃, and the value range of T2 is 1-6 ℃.
After the method is adopted, compared with the prior art, the moisture-proof control method of the air conditioner electric control board has the following advantages: the moisture-proof control method of the air-conditioning electric control board obtains the current real-time temperature Tcw in the electric control box through the liquid pipe temperature Tliq and the electric control board temperature Tfin, meanwhile, the dew point temperature Tdp inside the current electric control box is obtained through the external environment temperature Tao, then comparing the difference value between the real-time temperature Tcw and the dew point temperature Tdp with a preset first reference temperature T1 and a preset second reference temperature T2, finally adjusting the opening degree of an indoor electronic expansion valve of an indoor unit of the air conditioner and the opening degree of an outdoor electronic expansion valve of an outdoor unit of the air conditioner according to the comparison result so as to achieve the purpose of adjusting the temperature of the refrigerant in the liquid pipe, thereby not only guaranteed the continuous cooling effect of refrigerant in the liquid pipe to automatically controlled board, effectively avoided in the automatically controlled box and automatically controlled board on the condition production such as condensation, knot water moreover, and then effectively avoided the emergence of the condition such as automatically controlled board corrosion of weing, short circuit.
Another technical problem to be solved by the present invention is to provide an air conditioner which can effectively avoid the occurrence of condensation, water condensation and the like in the electric control box and on the electric control board, so as to effectively avoid the electric control board from being corroded by moisture.
In order to solve the technical problem, the invention provides an air conditioner, wherein the moisture-proof control method of the air conditioner electric control board is adopted.
The air conditioner obtains the current real-time temperature Tcw inside the electric control box through the liquid pipe temperature Tliq and the electric control board temperature Tfin, obtains the current dew point temperature Tdp inside the electric control box through the external environment temperature Tao, compares the difference value between the real-time temperature Tcw and the dew point temperature Tdp with the preset first reference temperature T1 and the second reference temperature T2, and finally adjusts the opening degree of an indoor electronic expansion valve of an indoor unit of the air conditioner and the opening degree of an outdoor electronic expansion valve of the outdoor unit of the air conditioner according to the comparison result, so that the aim of adjusting the temperature of the refrigerant in the liquid pipe is fulfilled, the continuous cooling effect of the refrigerant in the liquid pipe on the electric control board is ensured, the situations of condensation, water condensation and the like in the electric control box and on the electric control board are effectively avoided, and the situations of moisture corrosion, short circuit and the like of the electric control board are effectively avoided.
Drawings
Fig. 1 is a system schematic of an air conditioner of the present invention;
fig. 2 is a schematic perspective view of the connection structure and connection position of the liquid tube, the electric control box and the electric control board in the air conditioner of the present invention;
fig. 3 is a control flow chart of a moisture-proof control method of an electric control panel of an air conditioner according to the present invention;
description of reference numerals:
1. an outdoor temperature sensor; 2. a liquid tube temperature sensor; 3. an electronic control box; 4. an electric control board; 5. an electric control board temperature sensor; 6. a variable frequency compressor; 7. an indoor heat exchanger; 8. an indoor electronic expansion valve; 9. an outdoor electronic expansion valve; 10. an outdoor heat exchanger; 11. a liquid storage tank; 12. a liquid pipe; 13. a heat sink.
Detailed Description
The moisture-proof control method for the electric control board of the air conditioner and the air conditioner of the invention are further described in detail with reference to the specific embodiments.
As shown in fig. 1 and fig. 2, in this embodiment, the air conditioner of the present invention includes an outdoor temperature sensor 1, a liquid pipe temperature sensor 2, an electronic control box 3, an electronic control board 4, an electronic control board temperature sensor 5, and a variable frequency compressor 6, an indoor heat exchanger 7, an indoor electronic expansion valve 8, an outdoor electronic expansion valve 9, an outdoor heat exchanger 10 and a liquid storage tank 11 connected in sequence by pipelines, wherein, the pipeline between the indoor electronic expansion valve 8 and the outdoor electronic expansion valve 9 is a liquid pipe 12, and it should be noted that the pipeline between the indoor electronic expansion valve 8 and the outdoor electronic expansion valve 9 is an air pipe during the cooling operation of the air conditioner, the liquid pipe is also used when the air conditioner heats, because the moisture-proof control method of the air conditioner electric control board only relates to the condition when the air conditioner heats, therefore, in the present embodiment, the pipeline between the indoor electronic expansion valve 8 and the outdoor electronic expansion valve 9 is directly referred to as the liquid pipe 12; the outer side wall of the electric control box 3 is connected with a heat dissipation plate 13, the liquid pipe 12 penetrates through the heat dissipation plate 13, the electric control plate 4 is connected to the inner side wall of the electric control box 3 and only one layer of side wall of the electric control box 3 is separated from the heat dissipation plate 13, so that the low-temperature refrigerant in the liquid pipe 12 can rapidly cool the electric control plate 4, and the heat dissipation effect of the electric control plate 4 is better; the liquid pipe temperature sensor 2 is used for detecting the temperature of the liquid pipe 12, the outdoor temperature sensor 1 is used for detecting the temperature of the external environment where the outdoor unit of the air conditioner is located, and the electric control plate temperature sensor 5 is used for detecting the temperature of the electric control plate 4.
As shown in fig. 3, the moisture-proof control method of the air conditioner electric control board of the present invention comprises the following steps:
s1, when the air conditioner is in heating operation, detecting the liquid pipe temperature Tliq of the air conditioner in real time through the liquid pipe temperature sensor 2, detecting the electric control board temperature Tfin of the air conditioner in real time through the electric control board temperature sensor 5, and detecting the external environment temperature Tao of the outdoor unit of the air conditioner in real time through the outdoor temperature sensor 1;
s2, acquiring the current real-time temperature Tcw inside the electric control box 3 through the liquid tube temperature Tliq and the electric control plate temperature Tfin,
obtaining the dew point temperature Tdp inside the current electric control box 3 through the external environment temperature Tao;
the internal temperature Tcw is obtained by the following calculation formula:
Tcw’＝(Tliq’+Tfin’+A)/B；
wherein Tcw ' is a value corresponding to the real-time temperature Tcw, i.e. the value obtained by removing the temperature unit of DEG C from the real-time temperature Tcw is Tcw ', for example, the real-time temperature Tcw is 10 ℃, and then Tcw ' is 10; similarly, Tliq 'is a value corresponding to the liquid tube temperature Tliq, and Tfin' is a value corresponding to the electric control plate temperature Tfin; a and B are respectively a certain numerical value, the value range of A is 1-1.4, the value range of B is 1.8-2, A and B are assigned according to the thermal resistance of the material of the electric control box and the heating characteristic of the electric control plate, and the current electric control box 3 is generally made of galvanized plates, so the specific assignment of A and B is only provided when the electric control box 3 adopts the galvanized plates, and the detailed assignment is shown in Table 1;
TABLE 1
The applicant believes that even though the electric control box 3 is made of other materials, the person skilled in the art can conveniently obtain the appropriate values of a and B finally according to the thermal resistance of the corresponding materials and combining the embodiment;
the dew point temperature Tdp is obtained by the following calculation formula:
Tdp’＝(4105*Tao’+237.7*(237.7+Tao’)lnC)/(4105+(237.7+Tao’)lnC)
wherein Tdp 'is a value corresponding to a dew point temperature, Tao' is a value corresponding to an external environment temperature Tao, and C is a certain value, and in this embodiment, the value range of C is 0.995-1, and is preferably 0.999;
s3, comparing the difference value between the real-time temperature Tcw and the dew point temperature Tdp with a preset first reference temperature T1 and a preset second reference temperature T2;
s4, adjusting the opening of the indoor electronic expansion valve 8 of the indoor unit of the air conditioner and the opening of the outdoor electronic expansion valve 9 of the outdoor unit of the air conditioner according to the comparison result, specifically including:
in the continuous time T1, if the comparison result always meets the condition that T1 < Tcw-Tdp is less than or equal to T2, controlling the indoor electronic expansion valve 8 of the indoor air conditioner to increase the opening of K1, and simultaneously controlling the outdoor electronic expansion valve 9 of the outdoor air conditioner to reduce the opening of K2, and then recovering the normal control of the indoor electronic expansion valve 8 of the indoor air conditioner and the outdoor electronic expansion valve 9 of the outdoor air conditioner by the air conditioner;
in the continuous time T2, when the comparison result meets the condition that the T1 is more than Tcw-Tdp is less than or equal to T2 within the continuous time T1, controlling the indoor electronic expansion valve 8 of the indoor air-conditioning unit to increase the opening of K1, controlling the outdoor electronic expansion valve 9 of the outdoor air-conditioning unit to decrease the opening of K2, and then increasing the minimum opening of the indoor electronic expansion valve 8 of the indoor air-conditioning unit to increase the opening of K3 after the air-conditioner recovers the normal control over the indoor electronic expansion valve 8 of the indoor air-conditioning unit and the outdoor electronic expansion valve 9 of the outdoor air-conditioning unit;
when the comparison result meets the condition that the Tcw-Tdp is less than or equal to T1, the air conditioner warns the user that the temperature of the electric control board 4 is too low, and then the air conditioner is stopped and restarted.
Wherein, K1, K2 and K3 are respectively a certain numerical value; in the embodiment, the value range of K1 is 100-250, preferably 200; k2 has a value range of 10-25, preferably 20; the value range of K3 is 50-150, preferably 100; the value range of t1 is 3-10 minutes, preferably 5 minutes; t2 is within the range of 1-2.5 hours, preferably 2 hours; the value range of T1 is-3-0 ℃, and 0 ℃ is preferred; the value range of T2 is 1-6 ℃, and preferably 5 ℃;
of course, after the air conditioner is restarted, the minimum opening degree of the indoor electronic expansion valve 8 of the indoor unit of the air conditioner is restored to the initial setting, and t1 and t2 are counted again.
The moisture-proof control method of the air conditioner electric control board can be applied to the air conditioner with only one air conditioner indoor unit, and can also be applied to a multi-split air conditioner with a plurality of air conditioner indoor units, when the air conditioner is the multi-split air conditioner, the opening degree adjusting value K1 of the indoor electronic expansion valve 8 corresponding to each air conditioner indoor unit is only required to be respectively set, wherein the value range of K1 for the running air conditioner indoor unit is 100-250, and preferably 200; for the air conditioner indoor unit which is shut down, the value range of K1 is 30-60, and preferably 50.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should be made within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (8)
1. A moisture-proof control method of an air conditioner electric control board is characterized by comprising the following steps:
s1, detecting the liquid pipe temperature Tliq of the air conditioner, the electric control board temperature Tfin of the air conditioner and the external environment temperature Tao of the outdoor unit of the air conditioner in real time when the air conditioner is in heating operation;
s2, acquiring the current real-time temperature Tcw inside the electric control box through the liquid tube temperature Tliq and the electric control plate temperature Tfin;
obtaining the dew point temperature Tdp inside the current electric control box through the external environment temperature Tao;
the internal temperature Tcw is obtained by the following calculation formula:
Tcw’＝(Tliq’+Tfin’+A)/B；
wherein, Tcw 'is the numerical value that real-time temperature Tcw corresponds, Tliq' is the numerical value that liquid pipe temperature Tliq corresponds, Tfin 'is the numerical value that automatically controlled board temperature Tfin corresponds, and A and B are a certain numerical value respectively, and A and B all assign according to the heat resistance of automatically controlled box material, the characteristic of generating heat of automatically controlled board, and A and B's specific assignment is as follows:
when the electric control box is made of a galvanized plate and the surface of the galvanized plate is not sprayed,
if the heating power p of the electric control board is less than 100W, A is 1, and B is 2;
if the heating power of the electric control board is not less than 100W and not more than 300W, A is 1, and B is 2;
if the heating power p of the electric control board is more than 300W, A is 1, and B is 2;
when the electric control box is made of a galvanized plate and the spraying thickness of the surface of the galvanized plate is less than 40 mu m,
if the heating power p of the electric control board is less than 100W, A is 1.1, and B is 1.9;
if the heating power of the electric control board is not less than 100W and not more than 300W, A is 1, and B is 1.9;
if the heating power p of the electric control board is more than 300W, A is 1.2, and B is 1.9;
when the electric control box is made of a galvanized plate and the spraying thickness of the surface of the galvanized plate is more than or equal to 40 mu m,
if the heating power p of the electric control board is less than 100W, A is 1.3, and B is 1.9;
if the heating power of the electric control board is not less than 100W and not more than 300W, A is 1.3, and B is 1.9;
if the heating power p of the electric control board is more than 300W, A is 1.4, and B is 1.8;
s3, comparing the difference value between the real-time temperature Tcw and the dew point temperature Tdp with a preset first reference temperature T1 and a preset second reference temperature T2;
s4, adjusting the opening of the indoor electronic expansion valve of the indoor unit of the air conditioner and the opening of the outdoor electronic expansion valve of the outdoor unit of the air conditioner according to the comparison result, specifically including:
in the continuous time T1, if the comparison result always meets the condition that T1 < Tcw-Tdp is not more than T2, controlling the indoor electronic expansion valve of the indoor air-conditioning unit to increase the opening degree of K1, controlling the outdoor electronic expansion valve of the outdoor air-conditioning unit to decrease the opening degree of K2, and then recovering the normal control of the indoor electronic expansion valve of the indoor air-conditioning unit and the outdoor electronic expansion valve of the outdoor air-conditioning unit by the air conditioner;
in the continuous time T2, when the comparison result meets the condition that T1 is more than Tcw-Tdp and is less than or equal to T2 within the continuous time T1, controlling the indoor electronic expansion valve of the indoor air-conditioning unit to increase the opening of K1, controlling the outdoor electronic expansion valve of the outdoor air-conditioning unit to decrease the opening of K2, and then increasing the minimum opening of the indoor electronic expansion valve of the indoor air-conditioning unit to increase the opening of K3 after the air-conditioner recovers the normal control over the indoor electronic expansion valve of the indoor air-conditioning unit and the outdoor electronic expansion valve of the outdoor air-conditioning unit;
wherein, K1, K2 and K3 are respectively a certain numerical value.
2. The moisture-proof control method of an electric control board of an air conditioner according to claim 1, wherein the dew point temperature Tdp is obtained by the following calculation formula:
Tdp’＝(4105*Tao’+237.7*(237.7+Tao’)lnC)/(4105+(237.7+Tao’)lnC)
wherein Tdp 'is a value corresponding to the dew point temperature, Tao' is a value corresponding to the external environment temperature Tao, and C is a certain value.
3. The moisture-proof control method of the electric control panel of the air conditioner as claimed in claim 2, wherein:
the value range of C is 0.995-1.
4. The moisture-proof control method of the electric control panel of the air conditioner as claimed in claim 1, wherein:
k1 has a value range of 100-250; k2 has a value range of 10-25; k3 has a value range of 50-150.
5. The moisture-proof control method of the electric control panel of the air conditioner as claimed in claim 1, wherein:
the value range of t1 is 3-10 minutes, and the value range of t2 is 1-2.5 hours.
6. The moisture control method of an electric control panel of an air conditioner as claimed in claim 1, wherein the step S4 of adjusting the opening degree of the indoor electronic expansion valve of the indoor unit of the air conditioner and the opening degree of the outdoor electronic expansion valve of the outdoor unit of the air conditioner according to the comparison result further comprises:
when the comparison result meets the condition that the Tcw-Tdp is less than or equal to T1, the air conditioner warns the user that the temperature of the electric control board is too low, and then the air conditioner is stopped and restarted.
7. The moisture-proof control method of the electric control panel of the air conditioner according to claim 1 or 6, characterized in that:
the value range of T1 is-3-0 ℃, and the value range of T2 is 1-6 ℃.
8. An air conditioner, characterized in that: the air conditioner adopts the moisture-proof control method of the air conditioner electric control board in any one of claims 1 to 7.
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| CN109348680B (en) * | 2018-10-16 | 2020-11-06 | 宁波奥克斯电气股份有限公司 | Moisture-proof control method and device for electric control board |
| CN109341131A (en) * | 2018-11-13 | 2019-02-15 | 珠海格力电器股份有限公司 | A kind of air conditioner and its electric controller temprature control method |
| CN109520090B (en) * | 2018-11-22 | 2021-02-09 | 广东美的制冷设备有限公司 | Cooling device heat dissipation control method and device, cooling device and storage medium |
| CN110793151B (en) * | 2019-11-19 | 2021-08-27 | 宁波奥克斯电气股份有限公司 | Multi-split refrigerant control method and device, air conditioner and storage medium |
| CN110762748B (en) * | 2019-11-20 | 2021-04-27 | 重庆大学 | Control method and device for preventing condensation of air conditioner, air conditioner and readable storage medium |
| CN112066511A (en) * | 2020-08-07 | 2020-12-11 | 广东积微科技有限公司 | Control method of electronic expansion valve, air conditioner and computer equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101193526A (en) * | 2006-11-20 | 2008-06-04 | 沈国忠 | Heat radiation method for high-power electronic part and heat radiation device using this method |
| JP2014062732A (en) * | 2013-12-04 | 2014-04-10 | Daikin Ind Ltd | Freezer unit |
| EP2814106A2 (en) * | 2013-06-10 | 2014-12-17 | Hamilton Sundstrand Corporation | Thermal conductivity control devices |
| CN105091258A (en) * | 2014-05-23 | 2015-11-25 | 广东美的暖通设备有限公司 | Air conditioner and cooling control method thereof |
| CN105115065A (en) * | 2015-09-24 | 2015-12-02 | 芜湖美智空调设备有限公司 | Air conditioner control method |
| CN105240996A (en) * | 2015-09-24 | 2016-01-13 | 芜湖美智空调设备有限公司 | Method for controlling air conditioner |
| CN105910187A (en) * | 2016-04-15 | 2016-08-31 | 广东美的暖通设备有限公司 | Air conditioning electric-controlled cooling device, air conditioning, and air conditioning electric-controlled cooling method |
| JP2016183835A (en) * | 2015-03-26 | 2016-10-20 | 株式会社富士通ゼネラル | Air conditioner |
| CN206207598U (en) * | 2016-10-11 | 2017-05-31 | 青岛海尔智能技术研发有限公司 | Air-conditioner |
-
2017
- 2017-12-27 CN CN201711440834.4A patent/CN108278748B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101193526A (en) * | 2006-11-20 | 2008-06-04 | 沈国忠 | Heat radiation method for high-power electronic part and heat radiation device using this method |
| EP2814106A2 (en) * | 2013-06-10 | 2014-12-17 | Hamilton Sundstrand Corporation | Thermal conductivity control devices |
| JP2014062732A (en) * | 2013-12-04 | 2014-04-10 | Daikin Ind Ltd | Freezer unit |
| CN105091258A (en) * | 2014-05-23 | 2015-11-25 | 广东美的暖通设备有限公司 | Air conditioner and cooling control method thereof |
| JP2016183835A (en) * | 2015-03-26 | 2016-10-20 | 株式会社富士通ゼネラル | Air conditioner |
| CN105115065A (en) * | 2015-09-24 | 2015-12-02 | 芜湖美智空调设备有限公司 | Air conditioner control method |
| CN105240996A (en) * | 2015-09-24 | 2016-01-13 | 芜湖美智空调设备有限公司 | Method for controlling air conditioner |
| CN105910187A (en) * | 2016-04-15 | 2016-08-31 | 广东美的暖通设备有限公司 | Air conditioning electric-controlled cooling device, air conditioning, and air conditioning electric-controlled cooling method |
| CN206207598U (en) * | 2016-10-11 | 2017-05-31 | 青岛海尔智能技术研发有限公司 | Air-conditioner |
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